PPRuNe Forums - View Single Post - Helicopter pilots and Tinnitus

8th Jan 2011, 20:34

#40 (permalink)

g-mady

Join Date: Jul 2005

Location: leicester

Posts: 413

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I often do 7hrs a day in the summer... thats whats got we worried!!!

Do you know what HISL stands for so I can google them?... (no strobe light jokes please!)

MADY

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